//
//  ffff.m
//  demo
//
//  Created by 马晓波 on 2020/1/3.
//  Copyright © 2020 马晓波. All rights reserved.
//

#import "ffff.h"

@implementation ffff

- (void)drawRect:(NSRect)dirtyRect {
    [super drawRect:dirtyRect];
    
    // Drawing code here.
}

@end
